From 68bfd9c1e892f8900d0d2534e5b955586607e3ae Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 5 Dec 2005 02:37:26 +0000 Subject: [PATCH] On some targets (e.g. X86), shift amounts are not the same as the value being shifted. Don't assume they are. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24598 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/TargetSelectionDAG.td | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/lib/Target/TargetSelectionDAG.td b/lib/Target/TargetSelectionDAG.td index 2321effd081..5be65e2933b 100644 --- a/lib/Target/TargetSelectionDAG.td +++ b/lib/Target/TargetSelectionDAG.td @@ -73,6 +73,9 @@ def SDTUNDEF : SDTypeProfile<1, 0, []>; // for 'undef'. def SDTIntBinOp : SDTypeProfile<1, 2, [ // add, and, or, xor, udiv, etc. SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0> ]>; +def SDTIntShiftOp : SDTypeProfile<1, 2, [ // shl, sra, srl + SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisInt<2> +]>; def SDTFPBinOp : SDTypeProfile<1, 2, [ // fadd, fmul, etc. SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisFP<0> ]>; @@ -172,9 +175,9 @@ def sdiv : SDNode<"ISD::SDIV" , SDTIntBinOp>; def udiv : SDNode<"ISD::UDIV" , SDTIntBinOp>; def srem : SDNode<"ISD::SREM" , SDTIntBinOp>; def urem : SDNode<"ISD::UREM" , SDTIntBinOp>; -def srl : SDNode<"ISD::SRL" , SDTIntBinOp>; -def sra : SDNode<"ISD::SRA" , SDTIntBinOp>; -def shl : SDNode<"ISD::SHL" , SDTIntBinOp>; +def srl : SDNode<"ISD::SRL" , SDTIntShiftOp>; +def sra : SDNode<"ISD::SRA" , SDTIntShiftOp>; +def shl : SDNode<"ISD::SHL" , SDTIntShiftOp>; def and : SDNode<"ISD::AND" , SDTIntBinOp, [SDNPCommutative, SDNPAssociative]>; def or : SDNode<"ISD::OR" , SDTIntBinOp,